diff --git a/src/httpclient/http_client.c b/src/httpclient/http_client.c
index 35d7b3094..fb72274ba 100644
--- a/src/httpclient/http_client.c
+++ b/src/httpclient/http_client.c
@@ -353,7 +353,7 @@ int httpclient_send_header(httpclient_t *client, const char *url, int method, ht
     }
 
     if (client_data->post_buf != NULL) {
-        snprintf(buf, HTTPCLIENT_SEND_BUF_SIZE, "Content-Length: %d\r\n", client_data->post_buf_len);
+        snprintf(buf, HTTPCLIENT_SEND_BUF_SIZE, "Content-Length: %u\r\n", client_data->post_buf_len);
         httpclient_get_info(client, send_buf, &len, buf, os_strlen(buf));
 
         if (client_data->post_content_type != NULL) {
@@ -454,14 +454,14 @@ int httpclient_recv(httpclient_t *client, char *buf, int min_len, int max_len, i
 int httpclient_retrieve_content(httpclient_t *client, char *data, int len, uint32_t timeout_ms,
                                 httpclient_data_t *client_data)
 {
-    int count = 0;
-    int templen = 0;
-    int crlf_pos;
+    //int count = 0;
+    //int templen = 0;
+    //int crlf_pos;
     iotx_time_t timer;
-    char * b_data = NULL;
+    //char * b_data = NULL;
 
-    iotx_time_init(&timer);
-    utils_time_countdown_ms(&timer, timeout_ms);
+    //iotx_time_init(&timer);
+    //utils_time_countdown_ms(&timer, timeout_ms);
 
     /* Receive data */
     log_debug("Current data len: %d\r\n", len);
@@ -481,6 +481,7 @@ int httpclient_retrieve_content(httpclient_t *client, char *data, int len, uint3
 
 
 
+#ifdef INCLUDE_OLD_FUNCTION
 // called with data and len from header parser.
 // called with len = 0 when getting more
 int httpclient_retrieve_content_old(httpclient_t *client, char *data, int len, uint32_t timeout_ms,
@@ -687,6 +688,8 @@ int httpclient_retrieve_content_old(httpclient_t *client, char *data, int len, u
 
     return SUCCESS_RETURN;
 }
+#endif
+
 
 int httpclient_response_parse(httpclient_t *client, char *data, int len, uint32_t timeout_ms,
                               httpclient_data_t *client_data)
diff --git a/src/httpclient/http_client.h b/src/httpclient/http_client.h
index f29187e1a..5e3952125 100644
--- a/src/httpclient/http_client.h
+++ b/src/httpclient/http_client.h
@@ -143,6 +143,7 @@ typedef struct httprequest_t_tag{
  * @endcode
  */
 int async_request(httprequest_t *request);
+void httpclient_set_custom_header(httpclient_t *client, char *header);
 
 #ifdef __cplusplus
 }
diff --git a/src/httpserver/http_tcp_server.c b/src/httpserver/http_tcp_server.c
index c51f9176d..10310fb28 100644
--- a/src/httpserver/http_tcp_server.c
+++ b/src/httpserver/http_tcp_server.c
@@ -1,8 +1,10 @@
 #include "../new_common.h"
+#include "ctype.h"
 #include "lwip/sockets.h"
 #include "lwip/ip_addr.h"
 #include "lwip/inet.h"
 #include "../logging/logging.h"
+#include "new_http.h"
 
 static void tcp_server_thread( beken_thread_arg_t arg );
 static void tcp_client_thread( beken_thread_arg_t arg );
@@ -29,11 +31,11 @@ static void tcp_client_thread( beken_thread_arg_t arg )
   OSStatus err = kNoErr;
   int fd = (int) arg;
   int len = 0;
-  fd_set readfds, errfds, readfds2; 
+  //fd_set readfds, errfds, readfds2; 
   char *buf = NULL;
   char *reply = NULL;
 	int replyBufferSize = 10000;
-	int res;
+	//int res;
 	//char reply[8192];
 
   //my_fd = fd;
diff --git a/src/httpserver/new_http.c b/src/httpserver/new_http.c
index 04640bd89..908c35427 100644
--- a/src/httpserver/new_http.c
+++ b/src/httpserver/new_http.c
@@ -1,8 +1,11 @@
 
 
 #include "../new_common.h"
+#include "str_pub.h"
 #include "new_http.h"
 #include "../new_pins.h"
+#include "../new_cfg.h"
+#include "../ota/ota.h"
 
 /*
 GET / HTTP/1.1
@@ -180,13 +183,15 @@ const char *htmlIndex = "<select name=\"cars\" id=\"cars\">\
 <option value=\"1\">qqqqqq</option>\
 <option value=\"2\">qqq</option>\
 </select>";
-//const char *htmlPinRoles = "<option value=\"1\">Relay</option>\
-//<option value=\"2\">Relay_n</option>\
-//<option value=\"3\">Button</option>\
-//<option value=\"4\">Button_n</option>\
-//<option value=\"5\">LED</option>\
-//<option value=\"6\">LED_n</option>\
-//</select>";
+/*
+const char *htmlPinRoles = "<option value=\"1\">Relay</option>\
+<option value=\"2\">Relay_n</option>\
+<option value=\"3\">Button</option>\
+<option value=\"4\">Button_n</option>\
+<option value=\"5\">LED</option>\
+<option value=\"6\">LED_n</option>\
+</select>";
+*/
 
 const char *htmlPinRoleNames[] = {
 	" ",
diff --git a/src/httpserver/new_http.h b/src/httpserver/new_http.h
index 21c3ff789..0b6b8a31c 100644
--- a/src/httpserver/new_http.h
+++ b/src/httpserver/new_http.h
@@ -8,6 +8,7 @@ extern const char htmlEnd[];
 extern const char htmlReturnToMenu[];
 
 int HTTP_ProcessPacket(const char *recvbuf, char *outbuf, int outBufSize);
+void http_setup(char *o, const char *type);
 
 
 // callback function for http
diff --git a/src/logging/logging.c b/src/logging/logging.c
index f3b525271..6f35ebcf0 100644
--- a/src/logging/logging.c
+++ b/src/logging/logging.c
@@ -208,7 +208,7 @@ void log_server_thread( beken_thread_arg_t arg )
     }
 	
     if ( err != kNoErr ) 
-		tcp_server_log( "Server listerner thread exit with err: %d", err );
+		addLog( "Server listerner thread exit with err: %d", err );
 	
     close( tcp_listen_fd );
     rtos_delete_thread( NULL );
@@ -218,16 +218,8 @@ void log_server_thread( beken_thread_arg_t arg )
 static char tcplogbuf[TCPLOGBUFSIZE];
 static void log_client_thread( beken_thread_arg_t arg )
 {
-    OSStatus err = kNoErr;
     int fd = (int) arg;
     int len = 0;
-    fd_set readfds, errfds, readfds2; 
-    char *buf = NULL;
-    char *reply = NULL;
-	int replyBufferSize = 128;
-	int res;
-
-
     while ( 1 ){
         int count = getTcp(tcplogbuf, TCPLOGBUFSIZE);
         if (count){
@@ -240,9 +232,7 @@ static void log_client_thread( beken_thread_arg_t arg )
         rtos_delay_milliseconds(10);
     }
 	
-exit:
-    if ( err != kNoErr ) 
-		addLog( "TCP client thread exit with err: %d", err );
+	addLog( "TCP client thread exit with err: %d", len );
 	
     close( fd );
     rtos_delete_thread( NULL );
diff --git a/src/new_cfg.h b/src/new_cfg.h
index e69de29bb..79d450177 100644
--- a/src/new_cfg.h
+++ b/src/new_cfg.h
@@ -0,0 +1,24 @@
+
+
+const char *CFG_GetDeviceName();
+const char *CFG_GetShortDeviceName();
+void CFG_CreateDeviceNameUnique();
+int CFG_GetMQTTPort();
+void CFG_SetMQTTPort(int p);
+void CFG_SetOpenAccessPoint();
+const char *CFG_GetWiFiSSID();
+const char *CFG_GetWiFiPass();
+void CFG_SetWiFiSSID(const char *s);
+void CFG_SetWiFiPass(const char *s);
+const char *CFG_GetMQTTHost();
+const char *CFG_GetMQTTBrokerName();
+const char *CFG_GetMQTTUserName();
+const char *CFG_GetMQTTPass();
+void CFG_SetMQTTHost(const char *s);
+void CFG_SetMQTTBrokerName(const char *s);
+void CFG_SetMQTTUserName(const char *s);
+void CFG_SetMQTTPass(const char *s);
+void CFG_SaveWiFi();
+void CFG_LoadWiFi();
+void CFG_SaveMQTT();
+void CFG_LoadMQTT();
diff --git a/src/new_common.c b/src/new_common.c
index 786c2847a..4e046f9b0 100644
--- a/src/new_common.c
+++ b/src/new_common.c
@@ -1,5 +1,5 @@
 #include "new_common.h"
-
+#include "ctype.h"
 
 // returns amount of space left in buffer (0=overflow happened)
 int strcat_safe(char *tg, const char *src, int tgMaxLen) {
@@ -49,10 +49,12 @@ int strcpy_safe(char *tg, const char *src, int tgMaxLen) {
 	return tgMaxLen-curOfs;
 }
 
-void urldecode2_safe(char *dst, const char *src, int maxDstLen)
+void urldecode2_safe(char *dst, const char *srcin, int maxDstLen)
 {
 	int curLen = 1;
-        char a, b;
+        int a, b;
+	// avoid signing issues in conversion to int for isxdigit(int c)
+	const unsigned char *src = (const unsigned char *)srcin;
         while (*src) {
 				if(curLen>=maxDstLen)
 					break;
diff --git a/src/ota/ota.c b/src/ota/ota.c
index 96b38a921..44c88336d 100644
--- a/src/ota/ota.c
+++ b/src/ota/ota.c
@@ -2,6 +2,7 @@
 #include "../new_common.h"
 #include "typedef.h"
 #include "flash_pub.h"
+//#include "flash.h"
 #include "../logging/logging.h"
 #include "../httpclient/http_client.h"
 
@@ -11,12 +12,14 @@ int sectorlen = 0;
 unsigned int addr = 0xff000;
 #define SECTOR_SIZE 0x1000
 static void store_sector(unsigned int addr, unsigned char *data);
+extern void flash_protection_op(UINT8 mode,PROTECT_TYPE type);
+
 
 
 
 int init_ota(unsigned int startaddr){
     flash_init();
-	flash_protection_op(FLASH_XTX_16M_SR_WRITE_ENABLE, FLASH_PROTECT_NONE);
+	  flash_protection_op(FLASH_XTX_16M_SR_WRITE_ENABLE, FLASH_PROTECT_NONE);
     if (startaddr > 0xff000){
         if (sector){
             addLog("aborting OTS, sector already non-null\n");
@@ -46,7 +49,7 @@ void close_ota(){
 
     os_free(sector);
     sector = (void *)0;
-	flash_protection_op(FLASH_XTX_16M_SR_WRITE_ENABLE, FLASH_UNPROTECT_LAST_BLOCK);
+	  flash_protection_op(FLASH_XTX_16M_SR_WRITE_ENABLE, FLASH_UNPROTECT_LAST_BLOCK);
 }
 
 void add_otadata(unsigned char *data, int len){
@@ -104,7 +107,7 @@ int myhttpclientcallback(httprequest_t* request){
       break;
     case 1: // data
       if (request->client_data.response_buf_filled){
-        unsigned char *d = request->client_data.response_buf;
+        unsigned char *d = (unsigned char *)request->client_data.response_buf;
         int l = request->client_data.response_buf_filled;
         add_otadata(d, l);
       }
diff --git a/src/printnetinfo/printnetinfo.c b/src/printnetinfo/printnetinfo.c
index 62af33d2a..37eae5e5c 100644
--- a/src/printnetinfo/printnetinfo.c
+++ b/src/printnetinfo/printnetinfo.c
@@ -1,3 +1,7 @@
+
+
+#include "../new_common.h"
+#include "str_pub.h"
 #include "wlan_ui_pub.h"
 #include "../logging/logging.h"
 
diff --git a/src/printnetinfo/printnetinfo.h b/src/printnetinfo/printnetinfo.h
new file mode 100644
index 000000000..3c03fff4c
--- /dev/null
+++ b/src/printnetinfo/printnetinfo.h
@@ -0,0 +1 @@
+void print_network_info();
\ No newline at end of file
diff --git a/src/tuya_device.c b/src/tuya_device.c
index 6206dcd6f..d28457a76 100644
--- a/src/tuya_device.c
+++ b/src/tuya_device.c
@@ -29,18 +29,29 @@
 #include "lwip/ip_addr.h"
 #include "lwip/inet.h"
 
+#include "mem_pub.h"
+#include "str_pub.h"
+#include "ethernet_intf.h"
+
 /* Private includes ----------------------------------------------------------*/
 #include "tuya_device.h"
 #include "httpserver/new_http.h"
 #include "new_pins.h"
+#include "new_cfg.h"
 #include "logging/logging.h"
 #include "httpserver/http_tcp_server.h"
+#include "printnetinfo/printnetinfo.h"
 
 #include "../../beken378/func/key/multi_button.h"
 #include "../../beken378/app/config/param_config.h"
 #include "lwip/apps/mqtt.h"
 
 
+#undef os_printf
+#undef PR_DEBUG
+#undef PR_NOTICE
+#undef Malloc
+#undef Free
 #define os_printf addLog
 #define PR_DEBUG addLog
 #define PR_NOTICE addLog
@@ -90,7 +101,7 @@ void connect_to_wifi(const char *oob_ssid,const char *connect_key)
 	os_memset( &wNetConfigAdv, 0x0, sizeof(network_InitTypeDef_adv_st) );
 	
 	os_strcpy((char*)wNetConfigAdv.ap_info.ssid, oob_ssid);
-	hwaddr_aton("48:ee:0c:48:93:12", wNetConfigAdv.ap_info.bssid);
+	hwaddr_aton("48:ee:0c:48:93:12", (u8 *)wNetConfigAdv.ap_info.bssid);
 	wNetConfigAdv.ap_info.security = SECURITY_TYPE_WPA2_MIXED;
 	wNetConfigAdv.ap_info.channel = 5;
 	
@@ -204,11 +215,13 @@ int g_incoming_channel_mqtt = 0;
 static void mqtt_incoming_data_cb(void *arg, const u8_t *data, u16_t len, u8_t flags)
 {
 	int iValue;
-  const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
+  // unused - left here as example
+  //const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
+
   //PR_NOTICE("MQTT client in mqtt_incoming_data_cb\n");
   PR_NOTICE("MQTT client in mqtt_incoming_data_cb data is %s for ch %i\n",data,g_incoming_channel_mqtt);
 
-  iValue = atoi(data);
+  iValue = atoi((char *)data);
   CHANNEL_Set(g_incoming_channel_mqtt,iValue,0);
 
  // PR_NOTICE(("MQTT client \"%s\" data cb: len %d, flags %d\n", client_info->client_id, (int)len, (int)flags));
@@ -217,7 +230,9 @@ static void mqtt_incoming_data_cb(void *arg, const u8_t *data, u16_t len, u8_t f
 static void mqtt_incoming_publish_cb(void *arg, const char *topic, u32_t tot_len)
 {
 	const char *p;
-  const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
+  // unused - left here as example
+  //const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
+
   //PR_NOTICE("MQTT client in mqtt_incoming_publish_cb\n");
   PR_NOTICE("MQTT client in mqtt_incoming_publish_cb topic %s\n",topic);
 // TODO: better 
@@ -239,7 +254,7 @@ mqtt_request_cb(void *arg, err_t err)
 {
   const struct mqtt_connect_client_info_t* client_info = (const struct mqtt_connect_client_info_t*)arg;
 
-  PR_NOTICE(("MQTT client \"%s\" request cb: err %d\n", client_info->client_id, (int)err));
+  PR_NOTICE("MQTT client \"%s\" request cb: err %d\n", client_info->client_id, (int)err);
 }
 static void mqtt_sub_request_cb(void *arg, err_t result)
 {
@@ -251,7 +266,6 @@ static void mqtt_sub_request_cb(void *arg, err_t result)
 void example_do_connect(mqtt_client_t *client);
 static void mqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection_status_t status)
 {
-	int i;
 	char tmp[64];
 	const char *baseName;
   err_t err = ERR_OK;
@@ -411,9 +425,9 @@ static int setup_wifi_open_access_point(void)
 
         PR_NOTICE("no flash configuration, use default\r\n");
         mac = (u8*)&ap_info.bssid.array;
-		// this is MAC for Access Point, it's different than Client one
-		// see wifi_get_mac_address source
-        wifi_get_mac_address(mac, CONFIG_ROLE_AP);
+		    // this is MAC for Access Point, it's different than Client one
+		    // see wifi_get_mac_address source
+        wifi_get_mac_address((char *)mac, CONFIG_ROLE_AP);
         ap_info.chann = APP_DRONE_DEF_CHANNEL;
         ap_info.cipher_suite = 0;
         //os_memcpy(ap_info.ssid.array, APP_DRONE_DEF_SSID, os_strlen(APP_DRONE_DEF_SSID));